TopBox User Manual

Electronics

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Fig. 1. TopBox electronics control unit with component identifier labels.

The components of the TopBox electronics control system (Fig. 1) are:
  • PEM
    Power Entry Module: external AC power input, master ON/OFF switch, power line surge protection
  • TBN
    Terminal Block Neutral: terminal block to distribute AC power to components
  • TBN
    Terminal Block Hot: terminal block to distribute AC power to components
  • PS1
    Power Supply 1: 24 VDC linear power supply 1
  • PS2
    Power Supply 2: 24 VDC linear power supply 2
  • F1
    Fuse 1: external power line fuse for PS1
  • F2
    Fuse 2: external power line fuse for PS2
  • MC1
    Motor Controller 1: motor controller for FW1
  • MC2
    Motor Controller 2: motor controller for FW2
  • MC3
    Motor Controller 3: motor controller for autoguider linear stage
  • I/OTB1
    I/O Terminal Block 1: I/O connections for MC1
  • I/OTB2
    I/O Terminal Block 2: I/O connections for MC2
  • I/OTB3
    I/O Terminal Block 3: I/O connections for MC3
  • STB1
    Signal Terminal Block 1: Serial port and sensor connections for MC1
  • STB2
    Signal Terminal Block 2: Serial port and sensor connections for MC2
  • STB3
    Signal Terminal Block 3: Serial port and sensor connections for MC3
  • SSR
    Solid State Relay: electromagnetic brake switch for autoguider linear positioner
  • TDR
    Time Delay Relay: startup signal delay for motor controller intialization
  • FPS
    Focuser Power Supply: power supply for autoguider focuser controller
  • FOC
    Focuser Controller: autoguider focuser controller
  • SPSP
    Serial Port Surge Protector: surge protector for serial control lines
  • FC
    Focus Control Jack: panel jack for focuser control line to TopBox
  • HS
    Home Sensor Jack: panel jack for filter wheel and autoguider positioner home sensor lines to TopBox
  • PCM
    PC Motor Jack: panel jack for motor control line from control computer
  • PCF
    PC Focuser Jack: panel jack for focuser control line from control computer


Last modified: Oct 15, 2012
David McDavid

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